3. Functions
Function Composition
Multiple Choice
Multiple ChoiceGiven the functions f(x)=x2 and g(x)=x−8 find (f∘g)(x) and determine its domain.
A
(f∘g)(x)=x−8 ; Dom:(−∞,∞)
B
(f∘g)(x)=x2−8 ; Dom:(−∞,∞)
C
(f∘g)(x)=x−8 ; Dom:[8,∞)
D
(f∘g)(x)=x2−8 ; Dom:[8,∞)
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